氮含量測定用標(biāo)準(zhǔn)物質(zhì),,石油化工科學(xué)研究院生產(chǎn)。用于化學(xué)發(fā)光法測定石油化工產(chǎn)品中的氮含量,。
【輕油】以下濃度選:0.2,,0.5,1,,3,,5,10,,20,,30,50,,100,,200,300,,500,,700,1000,,1500,,2000,3000,,(mg/L),;
【重油】以下濃度可選:5,10,,50,,100,300,,500(ppm),,0.10%,0.2%,0.3%,,0.4%0.50%,,1.0%,2.0%,3.0%,,5%,;
【保存條件】避光